Shenzhen Atnj Communication Technology Co., Ltd.
Better signal,better life. We extend your 2G,3G,4G and 5G,to touch the untouching. Shenzhen ATNJ Communication Technology Co.,LTD--Lead the future, connecting the infinite.
Add to Cart
Indoor Gain 70dB Dual Band Repeater 2G 3G 4G Internet Booster
Indoor Dual Band Repeater Signal Booster Internet 2G 3G 4G 850/1800MHz Signal Amplifier
Selling Point
1. Intelligent to guide the installation with LCD
2. Real time display the signal strength.
3. Automatic dormancy when no user make the calling
4. Automatic alarm when installation mistake and provide the according solution
5. Automatic adjust the system gain to avoid the repeater self-excitation
6. Initiative reminding when the device was damaged.
Technical Specifications
| Specifications | Parameters | |
| Frequency Range (Customers to Choose) | Uplink | 824-849MHz, 1710-1785MHz |
| Downlink | 869-894MHz, 1805-1880MHz | |
| Frequency Bandwidth (3dB Bandwidth) | 25MHz&75MHz | |
| Gain | 70dB | |
| Automatic gain control (Step Attenuation) | 31dB @ 1dB/ Step | |
| Auto Gain Control | 20dB Min. | |
| Output Power(Customers to Choose) | 17±3dBm | |
| Spurious Emission | ≤ -15dBm/30kHz | |
| 9kHz~1GHz: ≤ -36dBm/30kHz | ||
| 1GHz~12.75GHz: ≤ -30dBm/30kHz | ||
| Inter-Modulation Attenuation ACPR | ≤ -40dBc / 30kHz (measured under rated output power) | |
| In-band Ripple | ≤ 3dB | |
| VSWR | <=2 | |
| I/O Impedance | 50 Ω | |
| Noise Figure | ≤ 5dB | |
| System Delay | ≤ 5μs | |
| RF Connector(Customers to Choose) | SMA(Female) | |
| Operating Temperature | Operation: - 10°C ~ + 55°C / Storage: -20°C ~ +60°C | |
| Power Supply | AC 110~220V±20%, 50/60Hz(AC 220V/ DC5V/2A power adapter) | |
| Dimensions | 165*130*40 (mm) | |
| Weight | ≤0.8 kg(Net) | |
| Alarm Monitoring System | Alarm for uplink self-oscillation | |
| Indication LED | Power supply | |
Further detail pls click here for downloading the products specification:
850+1800MHz C03 Mobile Signal Repeater.pdf
Product Description
Model No : JS-DB850/1800/P
With ALC AGC Function
Can control gain automatically. Avoid base station interference
(Band 3) 1800MHz -- Uplink frequency : 1710 - 1785MHz / Downlink frequency : 1805 - 1880MHz
(Band 5) 850MHz -- Uplink frequency : 824 - 849MHz / Downlink frequency : 869 - 894MHz
Network support : CDMA 2/3G + DCS 2/4G
Gain : 70dB
Power Supply : AC110V～220V; DC+5V/2A
Connector Type : SMA-female connector
ALC functon
The ALC function can prevent excessive signal output and cause interference.
Packaging Including:
1. Dual Band Booster
2. Power adapter
3. Outdoor Log-periodic antenna
4. Indoor Omni antenna and Ceiling antenna
5. 5 meters cable
6. 20 meters cable
We are manufacturer, and have our own factory.
FAQ:
1. Are you trading company or manufacturer ? Could I use our own logo and label?
We are factory, with trading service. We provide OEM/OEM service.
2. Can I have a sample order? What is your MOQ?
Yes, we welcome sample order to test and check quality. MOQ is 1 for normal products.
3. Is it easy to set up your items?
Yes. We have a user manual and support technical support 24/7.
4. What is your warranty time?
We promise 3-year warranty for all products shipped from us. Man-made sabotage and natural factors are not within the scope of warranty.
5. Please feel free to contact us if any other questions.